1.Brand New Art Nail Combined Tool Sets 2. 5 styles cone: emery, felt, grinding, small grinding,diamond. 3. Easy to set 1.Brand New Art Nail Combined Tool Sets 2. 5 styles cone: emery, felt, grinding, small grinding,diamond. 3. Easy to set cone in the drill 4. Color: white 5. Standard: 16cm (L) 6. Weight: 105g 7. Operates with 2 AAA batteries (not included) How to use?Emery tool: professionally ...